Definition: Given a 'poster' sentence and a corresponding 'response' (often, from Facebook or Reddit)classify the sentiment of the given response into four categories: 1) Positive, 2) Negative, 3) Neutral, and 4) Mixed if it contains both positive and negative.
Input: Poster: Arriva la nuovissima webserie supercult! http://youtu.be/3jojpal4rF0  Responser: Ahhhh ecco cos'erano tutti quei post sui traslochi! :D

Positive